Re-add nil tests
Re-add nil tests

garrettmoon/AsyncDisplayKit,Xinchi/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,lappp9/AsyncDisplayKit,samhsiung/AsyncDisplayKit,rmls/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,levi/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,harryworld/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,nrcmedia/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,eanagel/AsyncDisplayKit,nrcmedia/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,yufenglv/AsyncDisplayKit,george-gw/AsyncDisplayKit,JetZou/AsyncDisplayKit,yufenglv/AsyncDisplayKit,romyilano/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,gazreese/AsyncDisplayKit,smyrgl/AsyncDisplayKit,lappp9/AsyncDisplayKit,rmls/AsyncDisplayKit,maicki/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,flovouin/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,levi/AsyncDisplayKit,flovouin/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,yufenglv/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,rcancro/AsyncDisplayKit,yufenglv/AsyncDisplayKit,george-gw/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,rcancro/AsyncDisplayKit,facebook/AsyncDisplayKit,facebook/AsyncDisplayKit,smyrgl/AsyncDisplayKit,eanagel/AsyncDisplayKit,bimawa/AsyncDisplayKit,bimawa/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,levi/AsyncDisplayKit,Xinchi/AsyncDisplayKit,romyilano/AsyncDisplayKit,rcancro/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,rmls/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,flovouin/AsyncDisplayKit,yufenglv/AsyncDisplayKit,romyilano/AsyncDisplayKit,levi/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,rcancro/AsyncDisplayKit,Xinchi/AsyncDisplayKit,harryworld/AsyncDisplayKit,JetZou/AsyncDisplayKit,nrcmedia/AsyncDisplayKit,gazreese/AsyncDisplayKit,lappp9/AsyncDisplayKit,levi/AsyncDisplayKit,Xinchi/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,nrcmedia/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,lappp9/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,flovouin/AsyncDisplayKit,marmelroy/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,bimawa/AsyncDisplayKit,maicki/AsyncDisplayKit,Xinchi/AsyncDisplayKit,facebook/AsyncDisplayKit,smyrgl/AsyncDisplayKit,eanagel/AsyncDisplayKit,harryworld/AsyncDisplayKit,facebook/AsyncDisplayKit,rcancro/AsyncDisplayKit,eanagel/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,rmls/AsyncDisplayKit,smyrgl/AsyncDisplayKit,maicki/AsyncDisplayKit,marmelroy/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,eanagel/AsyncDisplayKit,JetZou/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,harryworld/AsyncDisplayKit,george-gw/AsyncDisplayKit,marmelroy/AsyncDisplayKit,flovouin/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,gazreese/AsyncDisplayKit,harryworld/AsyncDisplayKit,samhsiung/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,maicki/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,samhsiung/AsyncDisplayKit,samhsiung/AsyncDisplayKit,gazreese/AsyncDisplayKit,george-gw/AsyncDisplayKit,romyilano/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,rmls/AsyncDisplayKit,marmelroy/AsyncDisplayKit,maicki/AsyncDisplayKit,JetZou/AsyncDisplayKit,nrcmedia/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,JetZou/AsyncDisplayKit,bimawa/AsyncDisplayKit,jellenbogen/AsyncDisplayKit